Sketchup corruption due to power unexpected outage

I received this message when I open SU “this Appear not to be SketchUp model”

unfortunately, I was working for more than 6 days on an SU model, unfortunately, blackout happen, my pc doesn’t have UPS, so when i came this day. this error happens.

I user SketchUp 2024 PRO
ON WINDOW 11pro
Nvidia Quadro K2100M

Unless you have been making incremental back ups or backing up to Trimble connect you may well be out of luck.
But you can post the model file here for someone with a few extra tools to attempt to retrieve it for you.

Ok, let me attach the model